Key result
The lifetime risk of stroke increased significantly in countries with higher life expectancy, with a 0.48% increase in lifetime stroke risk for every year increase in life expectancy (p < 0.01).
Why the study?
The authors aimed to use Global Burden of Disease 2016 data and open data platforms to create an interactive map of lifetime stroke risk and explore its relationship with life expectancy.
Observational
An interactive web-based map of the global lifetime risk of stroke demonstrates that overall life expectancy is a major driver of lifetime stroke risk, with higher risks observed in high-income countries.
Answers are grounded in this paper and cite their sources.
Interactive map aids clinician stroke-risk communication; leaves the life expectancy link open for causal research.
Objective: We aimed to utilise the data on lifetime risk of stroke, from Global Burden of Disease (GBD) 2016, in combination with open data platforms to create an interactive map for use by clinicians and members of the public. Further, we explore the relationship between life expectancy and life time risk of stroke. Design: Enhancing visual display of large volume of data. Setting: Published data from Global Burden of Disease (GBD) 2016 on life time risk of stroke. Participants: None Intervention: None Methods: Data were extracted from a portable document format (pdf) copy of the paper and exported into the R programming environment (version 3.4.4). These data were merged with (i) the world map boundary, (ii) open data platforms from the World Bank (life expectancy and income,) and (ii) open data from the United Nation Population Prospects 2017. Further we plotted the relationship between the life time risk of stroke and life expectancy. Outcomes: The map of the global burden of stroke shows a higher lifetime risk of stroke among high income countries than in low income countries (https://gntem3.shinyapps.io/strokeglobal/) . The greatest risk was among upper middle-income countries such as China and Eastern and Central European countries such as Latvia and Romania. The risk of stroke increased with greater life expectancy (β=0.48 ± 0.47, R2=0.38, p<0.01) Conclusion: The interactive map enables clinicians to search information about the lifetime risk of stroke interactively, and navigate by zooming in and out, while still retaining high resolution.
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Phan et al. (2020) conducted an observational in Stroke. Life expectancy vs. Lower life expectancy was evaluated on Relationship between lifetime risk of stroke and life expectancy (β = 0.48, 95% CI 0.390-0.574, p=<0.01). The lifetime risk of stroke increased significantly in countries with higher life expectancy, with a 0.48% increase in lifetime stroke risk for every year increase in life expectancy (p < 0.01).
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